History of Sonora

Transcription

History of Sonora
A BRIEF HISTORY OF SONORA
(Vers. 15 September 2016)
© Richard C. Brusca
NOTE: Being but a brief overview, this essay cannot
do justice to Sonora’s long and colorful history, but it
hopefully provides a condensed introduction to this
marvelous state. Readers with a serious interest in
Sonora should consult the fine histories and
geographies of the region, many of which are cited in
the References section. The topic of Spanish colonial
history has a rich literature, in particular, and no
attempt has been made to include all of those
citations in the References (although the most
targeted and comprehensive treatments are
included). All photographs by R.C. Brusca, unless
otherwise noted. This is a draft chapter for a planned
book on the Sea of Cortez; the most current version
of this draft can be downloaded at
http://rickbrusca.com/http___www.rickbrusca.com_ind
ex.html/Sea_of_Cortez.html
For many reasons, Sonora has historically been
rather isolated from the rest of Mexico. It is the
farthest state from Mexico City and long viewed
by the country’s strong central government as a
“frontier region” or, worse, a dry desert
wasteland. Its colonial history is not as deep or
rich as that of central-southern Mexico, and its
archeological past lacks remains of the great
civilizations from the south (Aztecs, Mayas,
Toltecs, etc.). Even today, many Sonorans feel
the government of Mexico City largely ignores
their presence. In fact, until the completion of
the “Yécora Highway” (Mex Hwy 16) in 1992,
Sonora was even largely isolated from its
neighbor state of Chihuahua. For these
reasons, and because of the state’s location on
the border with the U.S., cultural and economic
ties often seem stronger between Sonora and
Arizona than between Sonora and Mexico City
(despite the recent construction of the muchdespised border fence).
LAND AND BIOTIC DIVERSITY
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The State of Sonora encompasses 69,249 mi
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(179,355 km ), making it the second largest of
Mexico’s 31 states (not including the Federal
District). Located west of Chihuahua (Mexico’s
largest state), Sonora shares its northern border
almost exclusively with Arizona, and it is
topographically, ecologically, and biologically
diverse. It is the most common gateway state
for visitors to the Sea of Cortez (Gulf of
California). Its population is about three million.
The origin of the name “Sonora” is
unclear. The first record of the name is probably
that of explorer Francisco Vásquez de
Coronado, who passed through the region in
1540 and called part of the area the Valle de La
Sonora. Francisco de Ibarra also traveled
through the area in 1567 and referred to the
Valles de la Señora.
Four major river systems occur in the state
of Sonora, to empty into the Sea of Cortez: the
Río Colorado, Río Yaqui, Río Mayo, and
massive Río Fuerte. Several smaller rivers
originate almost entirely within the state,
including the Río Sonoyta, Río Magdalena-AltarAsunción-Concepción, Río San Miguel, Rio
Zanion, and Río Sonora, and these also once (at
least intermittently) emptied into the Gulf of
California although they no longer do. The
headwaters of the San Pedro River also
originate in Sonora, but the river flows
northward, crossing into the U.S. as one the last
remaining undammed rivers in Arizona. The
Santa Cruz River originates in Arizona, flows
South into Sonora, and then turns North again to
re-enter the U.S. at Nogales, eventually running
all the way to the Gila River in central Arizona.
The eastern part of the state comprises
the western slopes of the Sierra Madre
Occidental range—part of the great North
American Cordillera. The highest elevations are
in the Sierra de los Ajos and Sierra San Luis in
northeastern Sonora. In addition to the Sierra
Madre range, about 35 high isolated ranges
(often called Sky Islands) are found west of the
Sierra Madre in the northern half of the state
(and another 33 Sky Island ranges occur in
southeastern Arizona/southwestern New
Mexico). The six highest mountains in the state
are Cerro Pico Guacamayas (2625 m), Sierra
Los Ajos (2620 m), Sierra San José (2540 m),
Sierra La Charola (2520 m), Sierra San Luis
(2520 m), and Sierra La Mariquita (2500 m).
Sonora encompasses a biological
transition zone, with tropical ecosystems in the
south, subtropical deserts in the north, and
montane transitions in the sierras. The northern
limit of Mexico’s Tropical Deciduous (Dry) Forest
and Sinaloan Thornscrub lies near the center of
the state, whereas some of the most arid desert
regions of North America occur in the northwest,
in the Gran Desierto de Altar. This topographic
and climatological mix makes Sonora one of the
most biologically diverse regions of the world.
An estimated 5,000 species of vascular plants
are reported from Sonora—20% of Mexico’s
total flora, in an area of less than 10% of the
country.
The Pinacate area of northwest Sonora is
unique for being home to North America’s
second largest lava flow region (the Snake River
Plain basalt fields of Idaho are slightly larger)
and its largest active sand dune field, the latter
running northwestward from just north of Puerto
Peñasco (Sonora) to Yuma (Arizona). The dune
field embraces the western slopes of the Sierra
Pinacate, and it completely surrounds the
isolated granitic Sierra del Rosario (probably the
westernmost Basin-and-Range mountain in
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North America). This 5700 km (2200 mi ) dune
field is estimated to have developed during and
following the last Glacial Maximum (~20,000
years ago). The dunes were built almost entirely
from wind-transported Colorado River deltaic
sands piled up over the centuries from prevailing
Westerlies. Thus, these dunes are largely the
eroded rocks of the Grand Canyon! East of the
Pinacates, along Hwy 8 between the town of
Sonoyta and the entrance to the Pinacate
Biosphere Reserve, is a field of ancient,
stabilized dunes. These are much older dunes,
perhaps hundreds of thousands of years in age,
but their origin is unclear.
In general, precipitation in Sonora
decreases from higher to lower elevations, from
south to north, and from east to west. In the
pine-oak forests around Yécora (1550 m; 5085
ft) average annual precipitation exceeds 90 cm
(35.5 inches), and in the tropical deciduous
forests near Alamos (440 m; 1444 ft) it is around
65 cm (26 in). However, in the volcanic desert
of the Pinacate region in northwestern Sonora,
average annual precipitation is less than 25 cm
(9 in) per year, and in the extremely arid Gran
Desierto de Altar (near the lowermost Río
Colorado) average annual precipitation is just 47.5 cm (1.5-3.0 in) per year. During summer
months, temperatures exceeding 38°C (100°F)
are common in the Gran Desierto, and the high
summer air temperatures here drive up
evapotranspiration (i.e., loss of water from plant
leaves and soil).
Historically, the highest temperature
recorded for anywhere in northwestern Mexico
was 56.7°C (134°F) in the Sierra Blanca of the
Pinacate region (near where the El Pinacate y
Gran Desierto de Altar Biosphere Reserve’s
visitor center is today). In spring and fall, rain is
infrequent at best, although occasional tropical
storms do reach Sonora in the fall. Summer
temperature extremes are mitigated by rains,
called monsoons (or las aguas—the waters),
characterized by strong afternoon
thunderstorms. Less violent winter storms,
called equipatas, are derived from Pacific frontal
storms with ultimate origins as far north as
Alaska. (The name equipatas comes from the
Yaqui language and literally means “gentle
winter rains.”) This biannual rainfall pattern is a
key reason that the Sonoran Desert has one of
the highest biological diversities in the world.
Almost all of the summer and fall moisture
comes from the Sea of Cortez and adjacent
tropical Pacific Ocean that border the Sonoran
Desert, thus making this a maritime desert. The
traditional start of the monsoons (las aguas) is
June 24, Saint John the Baptist’s Day, or el Día
de San Juan. Saint John, who baptized Jesus in
the River Jordan, is celebrated in many ways
throughout the Catholic world.
Pillowed pahoehoe lava, Pinacates
Topographically and demographically, the
State of Sonora can be thought of as having two
great regions, with different geological and
cultural histories (see West 1993). The eastern
mountain region, called La Serrana (the
highland), comprises the western slopes and
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foothills of the Sierra Madre Occidental. It was
originally inhabited by Native American
(indigenous) hunters and gatherers, later by
indigenous farmers, and then in the 17th and
18th centuries by Jesuit missionaries and
Spanish and mestizo miners and ranchers.
Today it is losing population because its younger
generation is moving to the cities, and it has
become major marijuana and heroine-poppy
growing areas and is confronting narcotrafficking
as drugs move north to the U.S. The Western
Lowland, on the other hand, was originally only
sparsely populated by indigenous people. In the
late 18th century, the lowlands were exploited by
Spanish and Indian/mestizo gold seekers.
Today the lowlands are characterized by
recently developed government-sponsored
irrigated agriculture (the so-called Distritos de
Riego), with wells that exploit underground water
sources, as well as coastal mariculture and
tourism—all of which has given rise to dense
farming, industrial centers, and rapid
urbanization.
and others, as well as being enjoyed as
delicacies by modern Sonorans.
The introduction of corn (Zea mays),
which was first domesticated in south-central
Mexico, into Sonora and the American
Southwest is usually attributed to Uto-Aztecanspeaking groups who spread throughout much
of the region between 3000 and 1000 B.C. A
popular hypothesis suggests that the timing of
the dispersal is likely related to environmental
conditions following the end of the warm and dry
Altithermal Period (middle Holocene), as UtoAztecans descended from refugia in the Sierra
Madre Occidental to colonize the low country.
The oldest occurrence of early maize in
archaeological context is ~5000 B.C. (southcentral Mexico), and the earliest records of
domestic corn is from the Tehuacan Valley
~3600 B.C. (south-central Mexico). In the U.S.,
domesticated corn has been found in Arizona
and New Mexico archaeological sites date
~2000 B.C.
The hearts, or trunk and leaf bases of
agaves (what many Mexicans call maguey),
known as cabezas, were gathered and slow
roasted by native people to prepare a sweet and
nutritious food called mezcal. Spaniards quickly
learned to ferment and distill the mezcal to
create the liquors we know today as mescal
(and its regional variants, e.g., bacanora) and
tequila. By law, tequila is always made from the
blue agave, a variety of Agave angustifolia
known as A. angustifolia tequilana (or A.
angustifolia weberiana), and only in certain
designated regions of west-central Mexico.
Mescal can be made from many of the 400+
known species of agave (and may also have
other added ingredients), although it is typically
made from regional varieties of the very
widespread Agave angustifolia. In La Serrana
today, certain native agave plants also are used
to distill mescal de Bacanora, a potent artisanal
mescal similar to "white lightning.” [Endnote 1]
Sand dunes of the Gran Desierto de Altar
(Photo by Rick Westtcott)
Since prehistoric times, people have
relied heavily on the native plants of Sonora,
especially the legumes—mesquite, paloverde,
ironwood, etc. The most important native
grasses for grazing purposes were the gramas
(Bouteloua spp.), 18 species of which have been
identified from northeast Sonora alone. The
gramas turn green and lush after summer rains,
drying to nutritious hay during the fall dry
season. The fruits of the pitahaya dulce, or
organ pipe (Stenocereus thurberi), saguaro
(Carnegiea gigantea), and cardón (Pachycereus
pringlei, also called sahueso) cacti were all
important food sources, and are still collected
and consumed by the Seri People (Comcáac)
Of the native mammals, mule deer (in
low elevations), white-tailed deer (largely
restricted to higher elevations), rabbits, and
perhaps bighorn sheep were the most
commonly consumed meats in prehistoric times.
Today, as in centuries past, Yaqui and Mayo
People use small stuffed heads with antlers of
white-tailed deer as headdresses for special
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Sideoats grama (Bouteloua curtipendula)
The heart (“cabeza”) of an agave, ready for roasting to
make mescal
dancers (deer dancers) during certain religious
ceremonies, suggesting the prominence and
importance of deer in those cultures. Hunted
less commonly were pronghorn and javelina.
Predators have rarely, if ever, been hunted for
meat (e.g. mountain lion, jaguar, ocelot, black
bear, coyote, gray wolf, and foxes). In addition
to large quantities of fish and shellfish (and
some sea lion), the Seri People also used to eat
pelicans seasonally. However, sea turtles were
their primary source of protein.
An agave roasting pit, the same design used since
Pre-Columbian times
An agave plant used for making mescal in Oaxaca
(not the blue agave variety)
Burro-power drives a stone wheel that grinds roasted
agave cabezas into pulp and liquid for subsequent
fermentation
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Larva (caterpillar) of the saturniid moth Rothschildia
cincta (Photo by E. Pfeiler)
A still used to recover the alcohol from cooked agave
The famous mescal or maguey worm – usually larvae of
the cossid moth Comadia redtenbacheri (above), but
sometimes a weevil larva (Scyphophorus acupunctatus)
is used, or the larva of a skipper butterfly (Aegiale
hesperiaris)
The tequila bar at the Hacienda de los Santos, Álamos,
Sonora, offers up ~100 varieties of the liquor. Salud!
La Serrana
Seven major rivers drain La Serrana: Río San
Miguel, Río Sonora, Río Mayo, Río Moctezuma,
Río Matape, and the upper and lower Río
Bavispe, both of which drain into the Río Yaqui,
historically the largest river in Sonora (not
counting the Río Colorado). Each of these is fed
by snowmelt, rain, and springs in the Sierra
Madre. In times past, these rivers reached the
Sea of Cortez, but today they rarely flow to the
ocean due to damming and irrigation diversion.
The river valleys of La Serrana were prehistoric
sites of agriculture and permanent settlement.
During Spanish colonial times these valleys
continued to provide most of the food for
Sonora. The rugged hills and mountain ranges
of La Serrana held silver, gold, and copper
where great mineralization activity had taken
place along fault-block lines. The presence of
Leg rattles (ténaborim) used by Yaqui and Mayo dancers
are made from cocoons of the saturniid moth
Rothschildia cincta
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these ores has attracted miners since the 17th
century.
The major indigenous groups of Sonora
that are still with us today are the Kwapa or
Cucupás (in the Colorado River Basin south of
the border), O’odhams (in northern Sonora), the
Comcáac or Seris (in coastal central Sonora),
the Yaquis and Mayos (closely related Cahitan
People of the Yaqui and Mayo River Valleys),
and the little-known Guarijíos of southeastern
Sonora. The Tarahumaras inhabit the high
country of the Sierra Madre, or the “spine of the
Sierras,” but live primarily in Chihuahua.
The Western Lowlands
Geologically, Sonora is underlain by the ancient
and massive North American craton, and its
dominant rocks were formed 1.2-1.7 billion years
ago. Many of the mountain ranges west of the
Sierra Madre Occidental and its Sky Islands
have been eroded down nearly to their roots,
forming isolated rock masses called inselbergs,
separated by wide bajadas (flood plains) and
basins. Rich deposits of gold dust and nuggets,
eroded from the former mountains, have left
placers (nuggets and flakes washed downslope
through erosional and sedimentary action). The
northern part of western Sonora includes the
Altar Desert, part of the Lower Colorado River
Valley region of the Sonoran Desert and one of
Aside from the Comcáac (Seris) and
Kwapa (Cucapás), most extant aboriginal
cultures in Sonora belong to the Uto-Aztecan
language group, which is widespread in Mexico.
In southern Sonora this includes the Yaqui and
Mayo languages (collectively known as Cáhita).
In the eastern and central parts of Sonora it
included the Ópata and Pima Bajo languages.
In the northwest, it was Pima Alto and the
closely related O'odham (previously known as
Pápago) dialects. The origin of the isolated Seri
tongue, on the other hand, largely remains a
mystery, although some evidence suggests a
relationship with languages from the Baja
California peninsula. The now vanished
“Guaymas people” (Guaímas) evidently were the
southernmost band of Seris. The Apaches,
especially the Chiricahua Apache, ranged (and
raided) in the northeastern corner of Sonora;
they spoke an Athapascan tongue typical of
northwestern America, indicating their relatively
recent arrival from the north.
La Serrana, the rugged western slopes of the Sierra
Madre Occidental; photo taken east of Álamos (Rancho
Santa Barbara)
Even before the Spanish began to settle
northwestern Mexico, aboriginal populations had
dwindled, presumably due to introduced
European diseases. During the 16th Century,
disastrous scourges of smallpox, typhus,
measles, and other diseases swept through
central Mexico soon after the Spanish Conquest
and probably reached all the way to Sonora. It
is known that by 1592 smallpox had, at least,
reached southern Sonora, causing death and
famine among the Yaquis and Mayos. During
the Jesuit missionization, epidemics are thought
to have killed half of the Mayo population.
the driest areas in North America. However, the
rivers draining La Serrana, over millennia,
deposited copious amounts of groundwater in
aquifers below the desert surface in the Western
Lowlands. These aquifers have sustained rapid
growth of population and agriculture in coastal
Sonora since the 1950s. However, there is now
little water reaching these aquifers, the rivers
have been dammed for decades, and the
aquifers are being pumped at a much faster rate
than they are being recharged.
Farming Cultures
ABORIGINAL CULTURES
The Río Sonora Culture. Most of the Indians of
La Serrana were farmers, utilizing agricultural
techniques similar to those used in
Mesoamerica. Taken together, this farming
culture of eastern Sonora is sometimes called
Sonora was first populated by indigenous
hunter-gatherers such as the Seri (Comcáac),
Yaqui, and Mayo Peoples. But in the 16th the
Spanish conquest and the spread of diseases
decimated these Native American populations.
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the "Río Sonora Culture." Among these people
were the Ópata and Pima Bajo, who practiced
both dryfield (rain dependent) and small-scale
irrigation farming. Spanish explorers (and
recent archeological work) document the
complex pueblos and farming of the Ópata,
which included cultivation of maize, beans and
squash. The Ópata region of northeastern
Sonora, with an estimated 10,000 to 100,000
inhabitants, may have been the most densely
populated area of northwestern Mexico when
the Spanish arrived. The Ópata probably had
strong trade routes to the Casas Grandes
(Paquimé) people in what is now northwestern
Chihuahua. However, by the time the Jesuits
and miners arrived in La Serrana, populations
had dwindled. In the south, the Yaqui and Mayo
tribes used mainly natural floodplain farming
along the Yaqui and Mayo rivers, as did many
O’odham and Kwapa peoples until very recent
times.
curious sites called trincheras—terraced hillside
habitations constructed on mountain slopes
overlooking arable land along streams. One of
the largest of these sites (and the namesake) is
Cerro de Trincheras, located at the railroad
village of Trincheras, near the town Santa Ana,
Sonora. Trincheras sites are abundant in the
Magdalena, Concepción, and Cocóspera River
Basins, in the Altar Valley, and from the San
Miguel and Santa Cruz River Valleys as far
north as Sells, on the modern Tohono O'odham
reservation in Arizona, and near Redrock
(between Tucson and Phoenix). The trincheras
are generally interpreted as having been both
agricultural and defensive sites, possibly places
of refuge when villages and fields were attacked
by enemies. The Trincheras Culture had ties
with the Hohokam Culture to the north and may
have been a forerunner of Piman Culture.
Evidence of Trincheran visitation is also
common along the Gulf of California coast of
northern Sonora, and inland to the Caborca and
Santa Ana areas.
The Pima Bajo and Pima Alto Cultures. The
terms "Bajo" (lower) and "Alto" (upper), probably
introduced by the Jesuits, are geographical, not
linguistic categories, and the people in both
regions largely spoke the same basic language.
Pima Bajo extended from the middle Río Sonora
(around Ures) east to the middle of the Río
Yaqui, and then into and over the Sierra Madre
as far as La Junta in western Chihuahua. The
Pima Alto lived in the more arid northwestern
Sonora and southern Arizona, especially along
the Gila and Salt Rivers.
Hunting-Gathering Cultures
When the Spaniards arrived, two widely
separated hunter-gatherer groups lived in parts
of Sonora: the Seri People along the central Gulf
coast (including the Guaímas people), and
several Apache-related tribes of present-day
Chihuahua, New Mexico and Arizona. In
contrast to the Native American farming
cultures, these two groups strongly resisted both
Jesuit and secular attempts to “civilize,” or
acculturate them. The Seris were a collectively
small group of fewer than 5,000, living in distinct
bands along the coast between Guaymas and
Cabo Lobos (Puerto Libertad), inland nearly to
modern-day Hermosillo, and on Tiburón and
San Esteban Islands. They spoke a distinctive
language, and might have originally migrated
across the Gulf from the Baja California
peninsula where several Yuman-related
languages were (and continue to be, e.g.,
Cucapá, Kiliwa, Kumiai) spoken. Seris were
primarily fishers, especially for sea turtles, and
shellfish gatherers, who occasionally foraged
inland where they used more than 100 different
plant species for food and medicines. The Seris
have probably inhabited coastal Sonora in the
region of Isla Tiburón for at least 2,000 years.
Today, there are fewer than 1,500 Seris, and
they are one of the last functioning aboriginal
hunter/fisher-gatherer societies remaining in
North America. The Apaches were latecomers,
probably not arriving from their gradual migration
The Desert Pima (later called Papago,
and now Tohono O'odham) inhabited the arid
Sonoran Desert in northwestern Sonora and
southern Arizona, with the most arid region
inhabited by the Hia C-ed O’odham (the “Sand
Papago”). Several other related tribes lived
farther to the east and south, including the Soba
Pima (in the lower Magdalena and Altar River
Valleys), Himiris (upper Magdalena), and
Sobaipuri (San Pedro, Santa Cruz and middle
Gila Rivers). After the Spanish conquest, all of
these peoples (including any remaining Arizona
Hohokam) were considered residents of the
Pimería Alta. The O'odham were huntergatherers who farmed scattered fields during
summer rains, although near present-day
Sonoyta (Sonora) they used limited canal
agriculture. The Riverine Pima of Arizona had
permanent villages and canal irrigation.
Of all the prehispanic cultures, one of the
most interesting was that associated with
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from Canada into Arizona, New Mexico and
Chihuahua until the last decades of the 1500s.
north. Coronado, then Governor of Nueva
Galicia in western Mexico, led at least 358
Europeans, their servants, slaves and women
companions, and more than 1300 Indians from
central and western Mexico on a well-organized
expedition that took them from Nayarit all the
way to central Kansas. Coronado also sent his
lieutenant, Melchor Díaz, north along a coastal
route, and Díaz eventually crossed the Colorado
River into California—the first European to do
so. Another of Coronado’s lieutenants,
Hernando de Alarcón, traveled by ship
northward in the Gulf of California and into the
delta waters of the Colorado River. Coronado
never found the “Great Cities in the North,” and
ended up convinced that Fray Marcos was a liar.
The border fence at Naco, Arizona
(looking south from the U.S.)
Spanish settlement of Sonora did not
occur for nearly a century after Francisco
Vázquez de Coronado’s great entrada, much
later than in Central and Southern Mexico due to
the inclemency of the terrain and conflict with
the native peoples of the region. Also, the
missionary system of colonialism was distinctive
from the rest of Mexico. Early in the 17th
Century, the Jesuit Order began to establish
missions in the northwest of Mexico. By the
1640s Spanish lay settlers, mainly miners from
central Mexico, had crossed the Sierra Madre
Occidental into Sonora. Both forms of
settlement were originally restricted to La
Serrana, along the river valleys.
THE SPANISH ARRIVE IN SONORA
In 1528, the Spanish explorer Alvar Núñez
Cabeza de Vaca was shipwrecked off the Gulf
Coast of what is now Texas. Thus began the
epic journey on foot of he and three
companions, including a North African named
Esteban de Dorantes, who traveled westward,
passing through Sonora and eventually reaching
Mexico City. Their journey probably took them
through New Mexico and Arizona (or perhaps
across Coahuila and Chihuahua), and during
this time they heard stories of great Indian
kingdoms to the north “where there were cities
with large populations and great houses.”
Today, these are thought to have been the Zuni
Pueblos of New Mexico. Cabeza de Vaca and
his party traveled south from Sonora along the
coast, eventually reaching Mexico City, where
their stories of great northern Indian civilizations
encouraged Viceroy Antonio de Mendoza to
launch a series of expeditions in search of the
“lost cities.”
The first expedition was that of Fray
Marcos de Niza. The Franciscan took Esteban
along as his guide. They traveled up the Pacific
Coast, passing through Sonora, wherein
Esteban moved forward and traveled as far
north as the Zuni Pueblos. The Zunis killed
Esteban, and there is no clear record of what he
saw or learned at the pueblos. Whether or not
Fray Marcos eventually reached the Zuni
Pueblos is debatable, but he returned to Mexico
City with claims of reaching Cíbola, one of what
he called the “great seven cities in the north.” It
was the stories of Fray Marcos that led to
Francisco Vázquez de Coronado’s great entrada
The border fence at Lukeville (AZ)-Sonoyta (SON)
Some of the most beautiful and interesting
Spanish-era missions are in the Sonoran Desert.
Those mission sites with still visible remains
north of the border are San Xavier del Bac, San
José de Tumacácori, Los Santos Ángeles de
Guevavi (now an adobe ruin), and the visita of
Calabazas. San Xavier del Bac is still an active
parish, serving the descendants of the original
Pimans (O’odham) for whom it was founded.
The others are under the care of the U.S.
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National Park Service. All of these missions
(though not all of the churches) were founded by
the Jesuit Father Eusebio Francisco Kino.
Photographs of some of the churches of Sonora
(and Baja California) founded during the colonial
era are provided below.
stepping through a time machine into the lateth
18 century.
Today, one can view the skeletal remains
of Padre Kino at the handsome domed crypt in
the town of Magdalena de Kino, Sonora, near
the church of Santa María Magdalena. Although
there is evidence that Kino himself might have
established a chapel near this site (perhaps in
the 1690s), the existing church dates to 1832
and has been reworked several times.
The Jesuits dominated mission activity in
Sonora for more than 150 years, from their initial
entry (via Sinaloa) among the Mayo and Yaqui
People (1614-1617) until the order was expulsed
from the Spanish colonies in 1767 by edict of
King Charles III. The Jesuits were replaced by
Franciscan missionaries, who arrived in the
Pimería region in 1768. They quickly set out to
repair or replace the Jesuit churches, often
constructing new ones on or near sites of the
th
original Jesuit churches. Before the mid-19
century, the Franciscans (of Spanish origin)
were themselves banished from the northern
missions, this time by the Republic of Mexico,
and the buildings were left to fend for
themselves. The surviving Kino mission sites
include three in Arizona and nine in Sonora.
One of the Sonoran churches, Caborca, is now
a museum, and five are still in use—San
Ignacio, Magdalena, Tubutama, Oquitoa, and
Pitiquito. The “mother mission” for all of Pimería
Alta, Nuestra Señora de los Dolores, founded by
Kino in 1687, no longer has a standing church,
and today there is only a ranch at the site.
Padre Eusebio Francisco Kino arrived in
Mexico from Spain in 1681. He tried to
missionize Baja California, without success
(mainly due to lack of support from his
superiors), but succeeded beyond anyone’s
imagination in Sonora and southern Arizona. His
northernmost settlement was San Xavier del
Bac, near Tucson (Arizona). [Endnote 2] He
established a mission program there in 1692
and had plans for a church, but it was not built
until the 1750s. This first church was a simple
adobe structure. The church we call San Xavier
today was built by the Franciscans and
dedicated in 1797. San Xavier church
represents the finest example of baroque style
architecture (with strong Moorish influence) in
the borderlands region, and it maintains an
almost complete, late-eighteenth century
construct. To find an equally elaborate baroque
church, one must travel to San Antonio (Texas)
or Santa Fe (New Mexico), and even there what
you will find are details, not an entire church of
this genre and elegance. Walking through the
front door of the San Xavier church is like
Statue of Padre Kino in the city of Magdalena de Kino,
Sonora. In the plaza with statue is a memorial to Kino’s
th
remains and a 19 century church. Built around 1833,
the present church does not stand on the site of the
original Jesuit church.
Aside from his missionary work, Kino’s
other great contributions stemmed from his
exploratory and cartography skills. He rediscovered that Baja California was indeed a
peninsula, and not an island (Francisco Ulloa
had discovered this in 1539, Melchior Díaz
proved it again in 1540, and Juan de Oñate
again in 1604, but their writings went largely
unnoticed). His maps of northwestern Mexico
and southwestern United States (the Pimería
Alta region) were the most accurate made to
that date, and they can still be used with good
precision, although there had been several
earlier maps showing Baja California as a
peninsula (e.g., the French Guillaume de l’Isle’s
L’Amerique Septentrionale, Paris, 1700; the
Italian di Arnoldi map, America).
9
The grave of Padre Enrique Ruhen, the only priest ever
to be in (brief) residence at Misión Marcelo de Sonoyta,
Kino’s westernmost mission, in Sonora. None of the
original mission structures remain at the site—only
Ruhen’s grave.
The Jesuit mission of San Francisco Xavier, west of
Loreto, high in the Sierra La Giganta (Baja California
Sur). Founded in 1699, in an area then inhabited by
Guaycura Indians, it was the first mission in Baja
California to have glass windows. Construction was
completed in 1758 under the direction of Padre Miguel
del Barco.
Church at the site of Kino’s mission in San Ignacio (San
Ignacio de Cabórica), north of Magdalena, Sonora.
Situated on the bank of the Río Magdalena, 9 miles north
of the city of Magdalena.
An original mission olive tree, 300 year-old, still living at
San Francisco Xavier mission in the Sierra La Giganta,
Baja California Sur.
All that remains of the Jesuit mission at Santa Rosalía,
Baja California Sur
The spartan Jesuit mission at Mulegé, Baja California
Sur, built in 1707
10
The Franciscan-built church in La Paz (Baja California
Sur). Hernán Cortés first landed at this site in 1535
(naming it Santa Cruz). Father Kino tried to establish a
colony here in 1683, naming it Nuestra Señora de la Paz,
but failed. In 1720, Jesuit Padre Jaime Bravo founded
the first successful mission here, and in 1861 Bishop J.
F. Escalante y Moreno began construction of the church
that stands today.
The old mission church at El Triunfo, about an hour
south of La Paz (Baja California Sur) was built by the
Franciscans in the 1800s. Established as a gold and
silver mining town, El Triunfo drew miners from all over
the U.S. and Mexico. Once the largest city in B.C.S., it
was home to over 10,000 miners in its heyday. Now a
remnant of the past, the town’s 115 ft-high smokestack
was designed by Gustav Eiffel (of Eiffel Tower fame).
Today the town has fewer than 500 inhabitants.
Kino’s expeditions to the Lower Colorado
River and the Sierra Pinacate relied on the
springs at Quitobaquito (now part of Organ Pipe
Cactus National Monument), as well as other,
smaller springs and tinajas that his Indian guides
led him to. He made four expeditions into the
Pinacates: October 1698, March and April 1701,
and November 1706. [Endnote 3]
Memorial housing Padre Kino bones, in the zócalo of
Magdalena de Kino, Sonora
Mission Nuestra Señora de Loreto, the first mission built
in the Californias; founded by Padre Juan María de
Salvatierrra in 1697 and completed in 1752 (Loreto, Baja
California Sur)
11
Although Padre Kino founded the town of Caborca in
1688, the mission itself was founded by Francisco Javier
Saeta, in 1694. The original Jesuit church was built on
the banks of the Asunción River (today known as the
Río Concepción), east of the present town center,
although the church standing there today was built by
Franciscans (1803-1809). This Franciscan church is
gradually being destroyed by erosion, especially during
flood events along the river. In 1857 the church was the
scene of violent fighting when the people of Caborca
were driven into the church by American filibusters led
by Henry A. Crabb. Crabb and his men were eventually
smoked out of their adobe house-fort opposite the
church, and promptly executed. The standing church in
the city today (pictured above) was built by the
Franciscans in 1790.
Bust of Padre Kino in
the zócalo of Magdalena de Kino, Sonora
Probably the most enduring cultural
changes that the missions made on native life
were in agriculture, through the introduction of
Old World crops (especially wheat), farm tools
and techniques, and domesticated animals.
During the planting and harvest periods, all men
in the mission settlement were required to work
the church lands 3 days/week, and their own
plots 3 days/week—Sundays and feast days
were reserved for compulsory church
attendance. It was the introduction by the
Jesuits of wheat that led to the invention of
northwestern Mexico’s famous flour tortillas. In
Sonora to this day, thin flour tortillas (and beans
and chilies) are the norm of rural diets;
elsewhere in Mexico, native maize (corn) is the
dietary staple. The later-arriving Franciscans
were a more devotional-based sect and, not
surprisingly, brought with them to Sonora the
growing influence of Our Lady of Guadalupe.
[Endnote 4]
The skeletal remains of Eusebio Kino, in the zócalo of
Magdalena de Kino, Sonora
By the end of the 17th Century, the
Jesuits had founded 38 primary missions and 59
visitas in Sonora. According to Spanish law, a
mission was to be dissolved 10 years after its
founding, based on the supposition that by then
the natives should be sufficiently versed in
Christianity that they could be left on their own.
However, the Jesuits had a habit of developing
ranching and farming missions that were so
economically successful that they tended to
forego the 10-year rule. When they were finally
expelled from the New World in 1767 (by royal
edict), at the promulgation of jealous lay officials
who coveted the land and cheap native labor,
most of their missions were taken over by the
Franciscans (or by the Dominicans, in northern
Baja California). The Jesuit enterprise of
Sonora was one of the most successful
endeavors of the order in the New World, on par
with that of Paraguay, which was established at
about the same time (recall the book "The
Mission," and the movie of the same name
filmed at Iguazu Falls where the countries of
Brazil, Argentina and Paraguay meet).
While Kino and his colleagues missionized
the Pimería Alta, other Jesuits, and eventually
Franciscans, worked in the foothills of the Sierra
Madre—La Serrana. A drive down the Río
Sonora Valley today, from Cananea to Urés,
takes one through a half-dozen charming
colonial villages, each with its own Jesuit or
Franciscan church (see images following, from
north to south). This was the land of the Ópata
12
People, and most of the names of these towns
were derived from the Ópata language (e.g.,
Arizpe, Banámichi, Baviácora).
Although the period of initial Spanish
conquest of Mexico (sometimes referred to in
central Mexico as “The Rape of Mexico”) and
the destruction and devastation brought by
Hernan Cortés was not felt in Sonora initially, a
trip to the old Playa de Cortés Hotel near
Guaymas will provide a vivid glimpse of those
events. In the bar of this seaside resort are four
large, exquisite, and disturbing, bas-relief panels
that depict Cortés’s subjugation of the Aztec
people. [Endnote 5]
The Jesuit church at Arizpe, founded in 1646 by
Jerónimo de la Canal. Once the capital of northern New
Spain, it was from Arizpe (Horcasitas) that Juan Bautista
de Anza’s expedition to Alta California was launched (in
1775), eventually leading to the his establishment of the
city of San Francisco. De Anza’s remains are believed
to lie in the church at Arizpe.
The Jesuit church at Huépac, founded 1639-1644, Iglesia
San Lorenzo de Huépac. An original copy of the
Mexican Act of Independence from 1810 is said to be
protected inside Huépac’s City Hall.
The beautiful church at Banámichi, on the zócalo.
Although the mission (and town) was founded by
Jesuits in 1639, the present church—Iglesia de Nuestra
Señora de Loreto—dates from Franciscan times.
Although the town of Aconchi, Sonora, was founded by
the Jesuits in 1639, the modern church dates from the
1700s, was built by the Franciscans, and features a
legendary Black Christ.
13
SPANISH SETTLEMENT: MINES AND
RANCHES
Spanish settlers began colonizing Sonora about
the same time the Jesuits were founding
missions. By the end of the 17th Century,
ranching and silver mining had become firmly
established in Sonora, eventually rivaling (but
not eclipsing) the silver towns of Taxco and
Zacatecas in central Mexico. The silver deposits
were mostly superficial (to 150-200m depth), but
below them lay copper, and after the silver ore
had been mined American companies moved in
during the 1800s to begin mining copper ore.
Some of the original copper mines are still
producing, and Sonora is the top-ranking state in
Mexico for mineral extraction.
The town and mission at Baviácora, Sonora, were
founded by the Jesuit Bartolomé Castaños in 1639. The
original church stands to the left of the newer church,
th
built by Franciscans in the 18 century—Iglesia Nuestra
Señora de la Concepción de Banácora.
One of the most productive mining centers
of Mexico was the area around Álamos in
southeastern Sonora, where silver was mined
for more than 200 years. In 1776, nearly twothirds of the silver produced in northwestern
Mexico came from the Álamos mines. Today
Álamos is one of the most charming, largely
restored colonial towns in northern Mexico.
The beautiful Jesuit mission at Ures, along the Río
Sonora, built between 1636 and 1644.
Sketch of Eusebio Kino, by Frances O’Brien. Several
interpretations of what Kino might have looked like have
been prepared, including a bust in the zócalo in
Magdalena de Kino
Portrait of Hernán Cortés
14
to the miners in return for silver, which was used
to purchase church furnishings and luxury items
such as cloth and tobacco.
THE INDIAN WARS
During the 18th and 19th centuries, Indian raids
on mines, missions and ranches were frequently
made by Apaches, Jocomes, Janos, and Sumas
from the north, and Seris from the west. The
Apaches began raiding in the 1680s and
continued for 200 years, until the last of the
bands, led by renowned chief Geronimo, was
finally defeated by combined Mexican and U.S.
troops in the 1880s. The nomadic Apaches
probably attacked simply because it was an
easy way to acquire food, horses and slaves.
Apaches became excellent horsemen, raiding
the Spanish settlements for their mounts and, it
is said, always choosing the best animals for
riding. The American Southwest was not fully
opened to colonization until Geronimo had been
captured. But even the Yaqui, who were
powerfully missionized throughout most of their
history, rose up against the Spanish briefly
(1740-1742).
It has been said that destruction by these
tribes (mainly Apaches) became so rampant in
the mid-18th century that Spanish officials
issued regulations that all houses in Sonora
were to be constructed of adobe walls with flat
roofs covered with sod or dirt to avoid
destruction during Indian attacks. Their
weapons were bow and arrow, and occasionally
the lance. Eventually, the Spaniards built a
series of presidios, or forts, at strategic places.
In addition to protecting the local population
against Indian depredations, another important
activity of the sierra presidios was escorting
mule trains carrying goods from Parral over the
Sierra Madre into Sonora, and returning with
silver bullion. The last of the northern presidios
was established at Tucson in 1775, from which
arose the present city of Tucson, originally on
the banks of the Santa Cruz River. General
small-scale warfare with the Apaches continued
in Sonora and Chihuahua for most of the 19th
century. In the mountains of Sonora (the Sierra
Madre Occidental), isolated occurrences of
Apache resistance actually continued until the
1920s.
A portion of Kino’s famous 1701 map of the Pimería Alta
Region, showing Baja California as a peninsula rather
than an island (based on his 9 expeditions between 1698
and 1706).
Shrine to the Virgin of Guadalupe, just south of
Hermosillo, Sonora
With the mines came merchants, and the
Sierra Madre Occidental foothills town of
Hidalgo de Parral (in southern Chihuahua) came
to be the merchant center for the region, being
strategically positioned between the mining
areas of Sonora and central Mexico. Most of the
silver ore was packed out to Parral where it was
assayed and then shipped to Durango or Mexico
City. The Jesuits of the missions supplied food
The failure of the Spanish, and later the
Mexican military to make peace with the
Apaches may have been due, in part, from
differences of sociopolitical thought between
15
Europeans and Indians. European ideas of
hierarchy and subordination did not exist among
the Apaches, each band having temporary
leaders who were not necessarily recognized by
the other bands. Thus, a truce made with one
group likely did not apply to members of other
bands. Farther east, the states of Texas,
Coahuila, Nuevo León, and Tamaulipas
confronted Comanche raids. Comanche were
High Plains bison hunters of Shoshone stock
that are said to have been the best riders among
all the nomadic tribes of western North America.
Some historians have suggested that the
position of the present U.S.-Mexico border may
have been largely determined by the presence
of nomadic Indian bands that stopped and
forced back Spanish settlement in southern
Arizona and Texas.
Once the war began, American forces quickly
occupied New Mexico and California, and then
invaded parts of northern Mexico from Baja
California and Sonora, to Nuevo Leon. A force
eventually captured Mexico City, ending the war
in a victory for the U.S. The Treaty of
Guadalupe Hidalgo (Tratado de Guadalupe
Hidalgo) was signed on February 2, 1848,
spelling out the terms of the victory and forcing
the cession of Mexico’s territory of Alta
California and a large area comprising New
Mexico, Arizona, Nevada, Utah, and parts of
Wyoming and Colorado, in exchange for $15
million. Mexicans living in those areas had the
choice of relocating to within Mexico’s new
boundaries or receiving American citizenship
with full rights (over 90% chose to become U.S.
citizens). The treaty was signed in Villa de
Guadalupe Hidalgo, now a neighborhood of
Mexico City. In addition, the U.S. assumed a
$3.25 million debt owed by the Mexican
government to U.S. citizens. Mexico accepted
the loss of Texas and thereafter the Rio Grande
was recognized as the border between the two
countries. The war was controversial in the
U.S., with the Whig Party, anti-imperialists, and
anti-slavery elements strongly opposed. The
Whig Party opposed Manifest Destiny and
rejected this Mexican expansion strongly. The
financial cost and loss of American lives was
high.
The colonial town of Álamos, Sonora
THE SONORAN GOLD RUSH
In the last half of the 1700s, long before the
California gold rush, Spanish Sonorans (and
some Indians, mainly Yaqui and Mayo) began
panning gold from placer deposits in the Sierra
Madre. As the mainly pre-Cambrian rock slowly
weathered down, gold in the form of nuggets
and flakes eroded from quartz veins and washed
down across the alluvial fans of the mountain
bajadas to form placer deposits. Most placers in
southwestern U.S./northwestern Mexico were
formed (trapped) between a layer of caliche
(hardened calcium carbonate deposits) and the
underlying bedrock. Nuggets could be obtained
by "dry placering" -- tossing the broken earth,
sand and gravel into the air and permitting wind
to remove all but the heavier gold nuggets. "Wet
placering" with running water recovered even
the finer gold dust. The most productive areas
were in the Altar Desert of northwestern Sonora,
and there the first authentic gold rush in North
America took place from 1775 to 1825. Unlike
lode or ore mining, working placer deposits
The main zócalo and church at Álamos, Sonora
THE U.S. INVASION OF MEXICO
The short but significant Mexican–American War
lasted from spring, 1846 to fall, 1847. It followed
in the wake of the 1845 U.S. annexation of
Texas, which was part of Mexico’s territory.
16
could be a one-person operation, or at most a
small group association. It required simple tools
and nuggets of pure gold needed no further
refinement. Deposits were small, however, so
placer camps were ephemeral, at best lasting
only a few years. Gradually the gold miners
pushed farther and farther north, into Arizona
and eventually west to California. When news of
the discovery of large gold deposits in the
foothills of California’s Sierra Nevada Mountains
reached Mexico in 1848, some 5,000 fortune
hunters from Sonora migrated to the new gold
fields. Among the many marks they left is the
namesake town of Sonora, in California's Mother
Lode country.
Villa in downtown Tucson was a gift to Arizona
by the Mexican government in 1981. Obregón
eventually won a post-Revolution presidential
election with overwhelming support, and his
presidency oversaw massive education reform,
the rise and flourishing of Mexican muralism,
land reform, and new labor laws. Plutarco Elías
Calles (who founded the PRI political party,
which ruled Mexico for nearly 70 years) also
came from Sonora (Guaymas). [Endnote 6]
“NEW SONORA”
For most of its early years, Sonora was
dominated culturally and economically by its
eastern hills and mountainous La Serrana
region. During the last half of the 20th Century,
however, the arid Western Lowlands region
experienced rapid economic growth, especially
in irrigated agriculture along the river tracks and
floodplains. This shift left the older mountainous
region somewhat of a cultural backwater,
characterized by quaint colonial era villages, like
Álamos, Ures, Sahuaripa, Ariveche, Arizpe,
Tecoripa, Suaqui Grande, Banámichi,
Sinoquipe, and Bacanora. Thus, the presentday state of Sonora reveals its dual
geographical personality—eastern, colonial, “Old
Sonora,” and the modern western "New
Sonora." First to develop there were the towns
of Guaymas (around 1820), the main seaport of
the state, and Hermosillo, which became
Sonora's capital in 1879. The first wagon road
between Hermosillo and Tucson was
established by 1860. The first rail line to
Hermosillo opened in 1880, between Guaymas
and Hermosillo, and to Nogales in 1882, which
connected to southern Arizona. Grains went
from Guaymas (by boat) and Hermosillo
(overland) to the U.S., and machinery for the
Sonoran mines was shipped to Guaymas from
San Francisco.
THE WAR OF INDEPENDENCE AND THE
MEXICAN REVOLUTION
So remote was Sonora from the rest of Mexico
and the United States (and the world, really),
and so caught up in the gold rush and other
immediate affairs, that Mexico’s War of
Independence (early 1800s) was little more than
background noise in the northwest of the
country.
Sonora also played no important role
during the first part of the Mexican Revolution,
the so-called Maderista Period (1910-1913).
However, after the killing of the great
revolutionary leader Francisco Madero, in 1913,
Nogales was strategically targeted by those
opposed to President Victoriano Huerta. On
March 13, 1913, Álvaro Obregón began his
military career with the taking of this border
town. The advantage that Nogales provided
was access to weapons, communications, and
foreign sources of financing for the revolution.
Thus, Nogales came to be the place where the
revolutionary government was formed by
Venustiano Carranza after Madero´s murder,
and it remained a principal base of the revolution
between 1914 and 1929.
Guaymas is one of the best natural
harbors in all of Mexico. During the 19th
century, large Mexican, U.S., and English
mercantile firms were established there, and a
regularly scheduled steamship line to San
Francisco and much of the Pacific Rim
developed.
The famous revolutionary, Francisco
“Pancho” Villa, often entered Sonora from his
main hangouts in the Sierra Madre of Durango
and Chihuahua, and several of his most
important meetings took place in Nogales. The
battle that ended Villa’s dominance during the
revolution took place at Agua Prieta, Sonora (in
1916), when Obregón’s army defeated him.
Like so many Mexicans of fame, Pancho Villa’s
legacy is controversial; he is both revered as a
hero of the Revolution and remembered as a
notorious border bandit and killer! The statue of
Hermosillo, in 1700, was no more than a
small settlement (called Pitic) housing a few
Spaniards and Pima Bajo Indians. It came to
serve as a presidio against the rebellious Seri
Indians, but eventually grew to become the city
17
of Hermosillo (named in honor of a Mexican
hero of the War of Independence).
many of them as indentured servants to work
plantations in the far-away states of Nayarit,
Yucatán and Oaxaca. Many escaped
government persecution by fleeing to Arizona,
where some families still live on the PasquaYaqui and other reservations in Tucson.
After the end of the Mexican Revolution
(beginning in the 1930s) the federal government
set out to provide new opportunities for the
public by developing numerous new irrigation
districts in rural areas. Many of these were in
the western lowlands of Sonora and Sinaloa,
along the fertile alluvial plains of the Ríos
Fuerte, Mayo, and Yaqui, and also on the deltaic
plains of the Colorado River in the Mexicali
Valley. These projects brought deep-well
drilling, dams, electrification, refrigeration, and
air conditioning to some of the most remote
regions of the northwest. They prompted the
colonization of these areas, which, until then,
had been largely only sparsely settled. These
efforts, which also took place in Chihuahua,
promoted the growth of cities such as
Monterrey, Monclova, Torreón, Juárez and
Tijuana.
Part of the fishing fleet (sardines and shrimp) at the new
dock, outer Guaymas Harbor, Sonora
After the final subjugation of the nomadic
Indians in the 1880s, U.S. companies began to
invest heavily in Mexico's mining industry.
Foreigners and their Mexican partners reopened
many of the abandoned silver, gold and copper
mines (called antiguas), using modern
techniques to exploit the deeper, poorer lode
ores. Important copper mining towns such as
Cananea, Nacozari de García, La Colorada, as
well as Minas Piietas grew up along the
southern end of the great Arizona copper belt.
For a while, Cananea, with 20,000 inhabitants,
was the largest city in the state. The revival of
Sonoran mining was short-lived; it was arrested
by the outbreak of the Mexican Revolution in
1910. Today, only the rich copper mines of
Cananea and Nacozari still remain highly
productive, although new mines have recently
opened west of the federal highway (near
Querobabi).
The first modern farmlands to be
developed through the Distrito de Riego were
along the Río Yaqui and Río Mayo in southern
Sonora. Then came the Río Colorado and,
finally, in the mid-20th Century, the Río Sonora
and Río Magdalena-Asunción-Concepción. All
were developed through government economic
planning processes with no apparent regard
whatsoever to water or land conservation
issues. For the past half-century, the coastal
plains of Sonora and Sinaloa have been
Mexico’s most important agricultural (and more
recently, shrimp farming) lands. Major land
crops include wheat, corn, rice, soy, sugar cane
and vegetables, much of which finds its way to
Arizona and California.
Agriculture in the Western Lowlands
Irrigated commercial farming on the coastal river
floodplains and deltas of Sonora and Sinaloa
began slowly in the 1890s, but it came to be the
most significant factor in the “modernization” of
Northwestern Mexico in the 1950s. The fertility
of floodplain and deltaic soils was well known to
both indigenous peoples and Spanish settlers.
These developments also opened the way
to ranching, and cattle grew to become an
important economic driver in Sonora. As land
was cleared of its native Sonoran Desert flora
(and fauna), it gradually was replaced with vast
regions of invasive (native) Opuntia cacti and,
more recently, non-native and highly invasive
buffelgrass (Pennisetum ciliare).
Throughout much of the latter 19th
century and early 20th century, coastal farming
settlements in the Río Yaqui region were
ravaged by fighting between rebellious Yaqui
and the Mexican military. Eventually, the
government declared a campaign of
extermination on the Yaqui, including taking
In 1926, Mexico passed the National
Water Law, which committed the federal
government to develop large-scale irrigation
projects throughout the country. To administer
18
the law, the government formed the Comisión
Nacionál de Irrigación, the main duties of which
were to undertake construction of large-scale
dams and canals, and to colonize the newly
formed irrigation districts. In 1946, the Comisión
was replaced by the Secretaría de Recursos
Hidráulicos, which had cabinet-level status and
thus increased access to federal funds. This
initiated a period of rapid dam construction and
expansion of irrigated lands. Along the larger
rivers, annual summer floods were controlled by
the construction of large dams and reservoirs in
the 1940s and 1950s.
city (over strong objections from the Yaqui
community).
Fishing
About the same time that governmentsponsored irrigation districts were being
established in western Sonora, commercial
fishing was evolving along the Sea of Cortez
coast. The first Mexican shrimp boats were
operating out of Guaymas in the 1920s. In the
1930s the Japanese, with permission of the
Mexican government, began exploiting shrimp
stocks off Guaymas. John Steinbeck and Ed
Ricketts observed the Japanese operations
during their 1940 Sea of Cortez expedition,
describing the destructive fishing methods in
their classic book, The Sea of Cortez. A
Leisurely Journey of Travel and Research. The
Mexican government eventually banned the
Japanese fleets from the Gulf, but their success
led to the establishment of the three major
fishing centers of Sonora: Guaymas, Puerto
Peñasco, and Yavaros.
By the 1960s, the first signs of increasing
soil salinity were appearing in the Yaqui and
Mayo deltas. Excessive application of water to
the land was viewed as the cause, so deep
drainage ditches were built to carry excess
irrigation runoff to the Sea of Cortez. Extraction
of water from aquifers in the Río Sonora delta
(the "Costa de Hermosillo” District) has far
exceeded natural replenishment, leading to a
rapid fall in the water table. Since the turn of
this century, depletion of the water tables and
rivers of Sonora has become a significant threat
that is amplified by a 15-year drought in
southwestern U.S./northwestern Mexico.
[Endnote 7]. Currently, Hermosillo is developing
a highly controversial (and contested) plan to
harvest water from the Río Yaqui, moving it
north via a huge system of aqueducts and
pumps.
Due to its high productivity and subtropical
location, the Gulf of California teems with many
species of finfish, crustaceans, and molluscs.
Over 6000 species of animals have been
reported from this sea, and many still remain
undescribed. The numerous marsh- and
mangrove-bordered lagoons and estuaries that
line the Gulf coast of Sonora and Sinaloa serve
as nurseries for juveniles of many important
shellfish and finfish. The majority of the fisheries
catch today is shrimp, squid and sardines.
Nearly three-fourths of the shrimp catch is
exported to the U.S., and today the shrimp
harvest (including farmed shrimp) from the Sea
of Cortez makes up about 60% of Mexico's total
fishery by dollar value. Industrial (“high seas”)
shrimpers use one of the most destructive
fishing methods known—dragging large trawls
across the sea floor, ripping up the top few
inches of the sea bed, capturing (and killing)
virtually every animal the nets encounter.
Limited data suggest that the entire benthic
ecosystem of the shallow Gulf has been
dramatically altered because of this continual
disturbance, year after year, since the 1920s.
The principal change appears to be greatly
reduced species diversity, loss of rare species,
and hypoxia (severe oxygen depletion) due to
the rain of decomposing by-catch dumped off
the shrimp boats day after day. However, no
thorough scientific study of this long-term
Growth in the population of the Hermosillo
area (over 700,000 residents today) has
exacerbated this water problem. Intrusion of salt
water from the Sea of Cortez into the aquifers,
caused by the falling water table, made much of
the groundwater along the coast too saline for
agricultural use. In response to these problems,
the government, in 1989, limited the number of
permitted wells to 498, which halved the annual
amount of ground water pumped, from 800
million to 400 million cubic meters per year. It
was hoped that this would shift agriculture away
from water-intensive crops like wheat and
cotton, toward crops requiring less irrigation.
However, over-exploitation of fossil water is now
taking place in the Caborca area, where
hundreds of wells supply water for wheat,
cotton, olive groves and vineyards. [Endnote 8]
Hermosillo faces serious water shortages and is
in the process of completing an extensive,
expensive, and highly controversial aqueduct
project to bring water from the Río Yaqui to the
19
disturbance has been undertaken. The sardine
catch (comprising mainly Sardinops sagax and
Opisthonema libertate, and the recently
reestablished northern anchovy Engraulis
mordax) is six times the shrimp catch by
tonnage, but of relatively less value. Sonora
accounts for 60% of Mexico's sardine take.
Most of it is processed for poultry feed and
fishmeal fertilizer. It is likely that every
commercial species in the Sea of Cortez is
unsustainably fished today.
craters. Bordering the western edge of the
Pinacate reserve is the 3,609 sq mi (9,348 sq
km) Alto Golfo de California y Delta de Río
Colorado Biosphere Reserve, at the head of the
Gulf of California. This, and the Pinacate
reserve, were created in 1993. The Sierra de
Ajos-Bavispe Natural Resource Area is in the
central interior of Sonora. The 156 sq mi (405
sq km) Reserve for the Protection of Flora and
Fauna, Sierra de Alamos-Rio Cuchujaqui is in
the far southern foothills of the Sierra Madre
Occidental in Sonora.
In addition to these, and others, all of
the islands of the Sea of Cortez comprise the
Protected Natural Resources of the Flora and
Fauna of the Islands of the Gulf of California.
Additionally, the entirety of Bahía Adaír,
between the towns of Puerto Peñasco and El
Golfo de Santa Clara, is a Ramsar Designated
Wetland. Also, the Seri coast is a designated
Ramsar Wetland. The Convention on Wetlands
of International Importance, known as the
Ramsar Convention, is an international treaty
that defines actions and areas of cooperation for
conservation of sustainable wetlands.
When you travel the byways of Sonora,
admiring its natural beauty, keep in mind how
the geological landscape has shaped its human
history. And remember that the mountains and
rocks you see were formed millions of years
before the first human being ever set foot in
these lands, and they will be here for millions of
years after the last human perishes. Native
Americans, Spanish colonists, and modern
inhabitants of the region have been nothing but
a passing breeze in geologic time. For these
reasons, the land inspires awe and respect.
Shrimp boat, working out of Puerto Peñasco, 2013
ENVIRONMENTAL CONSERVATION IN
SONORA
Much of Sonora is still sparsely populated,
simply because of the aridity of the area and the
rugged ranges of the Western Sierra Madre.
However, much of the seemingly “natural”
landscape of the region has been significantly
disturbed over the past 60 years by ranching
and by the spread of various invasive plants.
Sonora has over 7,000 sq mi (>18,130
sq km) of protected wildlife areas. Federallyprotected natural areas in Mexico are of six
types: biosphere reserves, national parks, areas
for the protection of flora and fauna, protected
natural resource areas, natural monuments, and
shrines. The state of Sonora has about 10
federally protected areas, around 20 stateprotected sites, and a number of private natural
reserves. Among these is the El Pinacate and
Gran Desierto de Altar Biosphere Reserve (both
a Mexican and a UNESCO Biosphere Reserve,
and a UNESCO World Heritage Site, and also
one of Mexico’s designated “13 natural
marvels”), located between Puerto Peñasco and
the U.S. border in the Altar Desert. The reserve
comprises rich Sonoran Desert habitat, massive
dune fields, and hundreds of dormant volcanic
ACKNOWLEDGMENTS
My deepest appreciation to friends and
colleagues who read and commented on early
drafts of this essay, including: Clare Aslan,
Michelle María Early Capistrán, Dan Lynch,
Larry Marshall, Cathy Moser Marlett, Ed Pfeiler,
Alberto Suarez, and especially ace editors Lloyd
T. Findley and Linda M. Brewer. Thanks to John
Palting, Wendy Moore, and Ricardo Castroprefe
for help with agave “worm” identifications.
20
often added to chile (and other secret
ingredients) to concoct a tasty powder that one
sprinkles on a citrus slice to accompany a glass
of mescal. Locals insist the insect larva
enhances the flavor and enjoyment of the drink,
and perhaps even gives the drinker temporary
special powers of love and intellect. Recent
research suggests mescal was being distilled in
southern Mexico by Native Americans before the
arrival of Europeans in the New World.
ENDNOTES
Endnote 1. According to one popular myth, the
Aztecs discovered the beverage pulque (later
distilled into mescal/tequila by the Spaniards)
when a bolt of lightning struck an agave field.
The bolt instantaneously cooked the heart of
one of the plants, and caused it to quickly
ferment. The Aztecs noticed the aromatic nectar
exuding from the cooked plant, and deemed it to
be a miraculous gift from the gods (which they
named pulque). Subsequently, during colonial
times, it was distilled into vino mezcal (“mezcal
wine”), the most popular version of which came
to be tequila. (In Mexico, it is usually spelled
mezcal; in the U.S. it is usually spelled mescal.)
There are today around 30 tequila distilleries in
Mexico, producing hundreds of brands/varieties
of tequila in six categories (fixed by federal law):
(1) 100% agave tequilas are required by law to
be made from 100% fermented juices from the
blue agave, with no additives, not even sugar.
(2) Mixto tequilas must be at least 51%
fermented juices from the blue agave, but
additives may be used, such as fermented cane
sugar juices (ethanol). (3) Blanco tequila is
tequila in its youngest and purest form, just as
produced by the distillation process, without the
effects of any barrel aging. Blancos can be
100% agave, or mixto. (4) Gold (joven abocado)
tequilas are usually mixtos, unaged blanco
tequila to which additive colors (usually caramel)
and flavors are mixed after the distillation
process. (5) Reposado tequilas are, literally,
"rested." By law, a reposado must be aged in
wood for at least 60 days, but most are actually
aged closer to a year. They are aged in large
wooden tanks, or sometimes in small oak
barrels. (6) Añejo tequilas are "aged" or "old."
By law, añejos must be aged for at least 12
months in government-sealed barrels that are no
larger than 600 liters. Often, the barrels used
are old 190-liter whisky barrels from Kentucky.
The longer the aging process (in wood), the
darker the tequila becomes.
Endnote 2. San Xavier del Bac, about 12 miles
south of Tucson, is the best known and most
elaborate colonial mission church in the Pimería
Alta. Padre Kino first visited this site in 1692,
and that year he established a mission program
for the Piman (O’odham) People that lived in the
area. Although the villagers built a small adobe
home that served as a mission church, Kino’s
plans for a full-fledged church never came to
fruition. In the 1750s, a simple adobe hall
church was constructed by Jesuits, supervised
by Father Alonso Espinosa. In 1767 the Jesuits
were expelled from the Spanish colonies and
replaced (a year later) by Franciscans, and it
was they who built the church that stands today,
under the supervision of Father Juan Bautista de
Velderrain and Juan Bautista Llorens between
1783 and 1797. The old Jesuit adobe church
th
was dismantled and moved in the early 19
century, piece by piece, to the east side of the
new one, where it was recycle into the convento
wing that still stands. The eastern bell tower
was never finished, perhaps because the
builders ran out of money. The famous cat and
mouse that occupy the front church facade have
been there since the church was built, but no
one today knows what they represent (although
there is no shortage of interpretations). Today
the church functions under the auspices of the
Franciscans (the Order of Friars Minor), and it
continues to serve the local O’odham community
(although everyone is welcome at the services).
It is often said that all Jesuit churches in the
Pimería Alta were built with the entrance facing
south. While this is true for San Xavier church, it
is not the case for all, many of which face west,
south-by-southeast, or west-by-northwest.
Many mescal makers put a “worm” in the bottle,
said to enhance the flavor (also said to be a
marketing ploy). The “worm” is actually an
insect larva, typically either of a cossid moth
(Comadia redtenbacheri, =Hypopta agavis), a
skipper butterfly (Aegiale hesperiaris), or a
weevil (Scyphophorus acupunctatus). All are
found associated with living agaves, but only the
weevil causes any real damage to the plants. In
Oaxaca, these dried and ground-up larvae are
Endnote 3. On Kino’s first Pinacate expedition,
he saw the mountains of Baja California and
judged that there could be no seaway separating
them from the mainland. On his second and
third expeditions, he saw the head of the Gulf of
California, the actual land connection between
Baja and the mainland, confirming the
21
peninsular nature of the former; on these trips
he also reached the Sea of Cortez, on the coast
of Sonora. On his fourth expedition, he took
“official witnesses” to the top of Sierra Pinacate,
to prove to them the peninsular nature of Baja
California. Kino was 61 years of age on this
fourth expedition to the Pinacates.
Disdained by the Spaniards of New Spain (the
Spanish colonies of the New World), excluded
from the topmost positions of local government,
and suppressed by what they regarded as
second-class citizenship, they reacted by
developing a strong sense of group and regional
identity. Thus, Sanchez’s book was not only a
devotional treatise but a complex celebration of
criollismo that used the vision of the Virgin of
Guadalupe as proof of special divine favor
toward the criollos – the Virgin Mary had
revealed herself to the criollos, even if through
the agency of a lowly Náhuatl Indian. The
devotion soon spread throughout New Spain. It
reached Europe through the efforts of Pedro de
Gálvez, a former visitador in New Spain and a
member of the Council of the Indies, who in
1662 subsidized publication of Mateo de la
Cruz’s version of the apparition story.
Endnote 4. The Virgin of Guadalupe has been
known by many names (the Dark Virgin, the
Virgin of Tepeyac, La Criolla, etc.), and the hold
that devotion to Our Lady of Guadalupe has on
the Mexican people is legendary and profound.
In fact, she has come to be venerated
throughout Latin America and is sometimes
referred to as the Empress of the Americas.
This devotion is based on the story of the Virgin
Mary’s appearance to the newly converted Aztec
(Náhuatl) Indian, Juan Diego Cuauhtlatoatzin, in
1531, in the village of Tepeyac, near Mexico
City. The apparition occurred early in the
conquest of Mexico, just ten years after the
Aztec capital of Tenochtitlán fell to the
conquistador Cortés. Not only did the Virgin
appear, but also she left her beautiful image on
Juan Diego’s cloak, in which he carried
“miraculous roses” (unknown in the New World
at that time) from Tepeyac Hill to Bishop
Zumárraga, with a request from the Virgin that a
new church be built on the hilltop site. The cloak
is now on display at the Basilica of Our Lady of
Guadalupe in Mexico City. Zumárraga was a
compassionate man who built the first hospital,
library and university in the Americas. He was
also the “protector of the Indians,” entrusted by
Emperor Charles V to enforce his decree of
1530 that Indians could not be made slaves.
Shortly thereafter, an adobe structure was built
atop Tepeyac Hill in honor of the Blessed
Mother, Our Lade of Guadalupe. It was
dedicated on December 26, 1531, the feast of
St. Stephen the Martyr. This was 76 years
before the first permanent English colony was
established in the New World (Jamestown,
1607)
The first political use of the Virgin of Guadalupe
as a national symbol was during the Mexican
War of Independence (1810), when the Virgin
appeared on the banners of the military general
Miguel Hidalgo, while his troops proclaimed long
life to her and death to the Spaniards. Thus, the
long-standing rivalry between the Virgin of
Guadalupe (La Criolla) and the Virgin of
Remedios (La Conquistadora) became clearly
marked along nationalistic and political lines. It
is not surprising, therefore, that, after
independence was attained, the Virgin of
Guadalupe emerged as the preeminent national
religious symbol of Mexico. As the famous
writer-philosopher Octavio Paz once observed,
“The Mexican people, after more than two
centuries of experiments and defeats, have faith
only in the Virgin of Guadalupe and the National
Lottery.” The narration of the Virgin of
Guadalupe is sometimes called the “fifth
gospel.” It has been one of the most important
evangelizers in the history of the Americas.
Two hundred years after Juan Diego’s vision, in
the 18th Century, the road to fame for aspiring
composers in Italy had come to be the writing of
operas. For their Latin American, New World
counterparts, however, the most prestigious
genre was Maitines (or Matins), a Roman
Catholic service traditionally performed in the
early hours of the morning. The Matins provided
a range of opportunities to display compositional
skill, as it juxtaposed a wide variety of textures
and style, commonly paralleling that of an Old
World opera but with monophonic Psalms in
chant, intoned Lecciones that could preach or
weave a story, and sets of Responsorios that
The first published account of the apparition
came more than 100 years later, in 1648, by the
Oratorian priest, Miguel Sánchez. Sánchez’s
account was responsible for the popularization
and spread of the devotion among the criollos of
Mexico City – that is, among those people of
European stock who had been born in the New
World. Though the only difference between
criollos and Spaniards from Europe (from the
Iberian Peninsula) was their place of birth, the
criollos saw themselves as marginalized.
22
elegantly combined voices with instruments. In
1742, the Italian composer Ignacio de Jerusalem
was recruited to Mexico City to help strengthen
the music resources of New Spain’s growing
empire. In 1750 he was appointed to the top
post of Chapel Master at the Cathedral. In
1764, in Mexico City, he presented his
masterpiece, “matins for the Virgin of
Guadalupe.” Jerusalem’s matins have rarely
been recorded, but several versions of this
stunning composition do exist; my favorite is
“Matins for the Virgin of Guadalupe, 1764,” by
Chanticleer (Teldec 3984-21829-2).
these in 1946/47, with the intent of depicting the
story of the Spanish conqueror Hernán Cortés
overthrowing the Aztec Empire. Wiken titled the
works, “The Rewards of Conquest—Wenching,
Gambling, Drinking and Indolence.” One of the
panels shows Cortés and his mistress, La
Malinche, who betrayed her own people. Her
legacy lives on today, in the word “malinchista,”
which refers to a person disloyal to their country.
Another panel depicts Cortés mourning his
losses after the great battle of La Noche Triste
(The Night of Sorrows) where he lost many
soldiers in a trap set by Aztec warriors. There is
also a series of nine smaller panels by Wiken
above the bar called “The Court of Cortez,” and
these illustrate the sacrifices, impalings, and
destruction of Aztec icons by the Spanish
soldiers. All this work is beautiful, and
disturbing. The juxtaposition of these carvings
in the bar of a happy seaside resort is somewhat
jarring, and most visitors seem to prefer drinking
their margaritas to studying the details in
Wiken’s exquisite art. Photos of Wiken’s four
panels follow.
The name “Guadalupe” may derive from the
Aztec word tlecuatlecupe, which means “one
who crushes the head of the serpent.” When
pronounced correctly, the name sounds like
“Guadalupe,” and this is how the Spaniards
interpreted it. There is, in Spain, a town (with a
prominent Marian shrine) by the name of
Guadalupe, in the province of Cáceres. The
feast day of Our Lady of Guadalupe is
December 12. The feast day for Juan Diego,
who was declared a saint in 2002 by Pope John
Paul II, is December 9. And, the Virgin of
Guadalupe in Spain is also dark skinned!
Endnote 5. The artist Dick Wiken was born and
died in Milwaukee, Wisconsin (1913-1985). He
was a self-taught sculptor, designer, and
craftsman. Wiken attended the University of
Wisconsin-Milwaukee for two years, studying
journalism, English and history, but did not
receive a degree. During World War II, he
served in the U.S. Army Corps of Engineers
(1943-1946). Although self-taught, Wiken
eventually became an Instructor of Sculpture at
the Art Institute in Milwaukee (1934-1937), and
then at the University of Wisconsin Milwaukee
(1938-1943). His works in wood, stone and
metal decorate many buildings and homes in the
Milwaukee area and beyond. Among his most
unusual and interesting work is a set of wood
carved panels at the Playa de Cortés Hotel, near
Guaymas (Sonora). The panels depict the
“Rape of Mexico” during the Spanish Conquest.
The hotel was built in 1934 by a railroad baron,
to facilitate the arrival of the passenger train to
Guaymas. Wiken’s four, commissioned, bas
relief wood sculptures, which are displayed in
the hotel’s bar, are each about 4 ft X 6 ft, and
they are crafted in deep rich mahogany. The
scenes are of conquistadors and naked Aztec
women, and lust and violence mingle as
Spanish armor meets bare skin. Wiken carved
23
discovered, and “on the right hand of the Indies.”
Many Europeans already believed that “the
Indies” of Marco Polo lay not far beyond the
lands of the New World. Cortés first received
news of the Pacific Ocean in 1522, less than a
year after the fall of Tenochtitlán (the ancient
capital of the Aztec Empire), and 12 years after
Las sergas was published. The report came
from one of Cortés’ captains, Gonzalo de
Sandoval, who had been sent to explore the
western sea of México. De Sandoval reported
seeing an island rich in pearls and gold, and
populated by women who killed their male
offspring—no doubt a story inspired by Ordóñez
de Montalvo’s classic novel. In 1532, Cortés
sent Captain Diego Hurtado to seek out the
Island of California. But what Hurtado found
were primitive people (and no Amazons) living in
a parched desert with no gold and little water.
None-the-less, Cortés officially named the land
California, reasoning it must be the place
described in Ordóñez de Montalvo’s novel. In
1535, Cortés embarked on his own expedition to
colonize California, placing 320 people in Bahía
de la Santa Cruz (now known as the Bay of La
Paz). Cortés claimed it for Spain, and as
navigators pushed northward, the name
California came to include Spanish claims from
the tip of the peninsula to Puget Sound. But the
colonists could not survive in La Paz, for lack of
food and water, and probably because the locals
were unfriendly. María Early Capistrán (2014)
notes, had they discovered that sea turtles were
a rich source of food, they might have fared far
better; but records suggest that, for whatever
reason, they did not take advantage of that
abundant seafood.
Shortly after the expeditions of Christopher
Columbus, and for much of the time that Baja
California was thought to be an island, its
mystery was also shrouded in legends of gold,
pearls, griffins, and beautiful Amazon women.
Most of the mystique about the “island” of
California came from a famous chivalric novel
titled, Las sergas de Esplandián (The Sagas of
Esplandián), by the Spanish writer Garcí
Ordóñez de Montalvo. This romantic novel had
become beloved in medieval Spain, inspiring the
ambitions of sailors, soldiers, and adventurers.
The novel was greatly admired by Hernán
Cortés and, in fact, the writings of Cortés also
leaned toward the fantastic, as was the
tendency of the times. In Ordóñez de
Montalvo’s story, the noble knight Esplandián
survives the siege of Constantinople by a pagan
group of Amazons from the “Island of California,”
riding griffins and led by Queen Calafia. The
women of California were black skinned, valiant,
with wondrous bodies, great strength, and
ardent hearts. Their weapons were made of
pure gold, the only metal that existed in
California. The Island was said to be in the New
World, west of the land that Columbus had
Endnote 6. Pancho Villa was named by his
parents, Doroteo Arango Arambula. He fled
from his home (in Durango) to the sierras at the
age of sixteen, after shooting the master of the
hacienda in the foot for trying to rape his
younger sister (or so the legend goes). It was
then that he changed his name to Francisco
“Pancho” Villa, and took up a life of crime and
rebellion. The reason Pancho Villa was killed
seems to be shrouded in mystery. The
Revolution was over and he was “in retirement”
in the Sierras, breeding fighting cocks and
running his estate at Canutillo, Durango. It is
said that, when the assassins murdered him in
1923 (in Parral, Chihuahua), he had more than
8000 rifles, a half-million cartridges, and a large
supply of bombs and hand grenades at his
hacienda. He was, as he liked to say, “hated by
24
thousands and loved by millions.” President
Obregón may have feared that Villa had more
revolutionary ideas in him, and ordered his
murder. Today, a statue of Villa also stands in
the plaza of Canutillo—the state’s most famous
native son. And the Francisco Villa Museum in
Parral (Chihuahua) interprets his unique and
colorful history and, every year in July, reenacts
his assassination. To say the man was
complicated is an understatement. After
invading the U.S., and sacking and burning the
town of Columbus, New Mexico, General
Peshing himself went after Villa in Mexico,
spending nearly a year perusing him to no avail.
It is said that, during the revolution, Villa once
ordered the killing of 90 women by firing squad
in Camargo (Chihuahua), for consorting with the
enemy. He was fearless of death, leading his
cavalry charges himself. He married 26 times,
and was a compulsive womanizer.
Stahle et al. 2000). Two other severe sustained
megadroughts are recorded in tree-ring data
th
th
from the 15 and 14 centuries. These three
western megadroughts lasted for 16-38 years
th
each (Stahle et al. 2006). The 14 century
megadrought extended over the West from 1387
to 1402. Earlier still, was another Southwest
megadrouight that A. E. Douglass (1929, 1935)
described as “the Great Drouth of AD 12761299,” and it often viewed as the likely cause of
the abandonment of Anasazi cliff dwellings
across the Colorado Plateau.
S. Stine (1994) suggested use of the general
term “Medieval Climate Anomaly,” also known
as the Medieval Warm Period, or Medieval
Climate Optimum. This was a time of warm
climate in the North Atlantic region that may also
have been related to other climate events
around the world during that time, lasting from
about 950 to 1250. It was followed by a cooler
period in the North Atlantic termed the “Little Ice
Age.” Despite uncertainties, especially for the
period prior to 1600 for which data are scarce,
the warmest period of the last 2,000 years prior
to the 20th century very likely occurred between
950 and 1100. Proxy records show peak
warmth occurred at different times for different
regions, indicating that the Medieval Climate
Anomaly was not a time of globally uniform
change. Temperatures in some regions
matched or exceeded recent temperatures in
these regions, but globally the Medieval Warm
Period was cooler than recent global
temperatures.
Endnote 7. Studies of tree-ring data inform us
that northwest Mexico suffered during most of
North America’s major droughts, historical and
pre-historical. The two most severe droughts
th
during the 20 century occurred in the 1930s
(the “dust bowl drought”) and 1950s. Similar
widespread droughts likely also occurred during
th
the 1750s, 1820s, and 1850-1860s. The 16
century “megadrought” is generally considered
the most severe prolonged drought over much of
North America for at least the last 500 years
(Meko et al. 1995, Stahle et al. 2000), and
possibly the last 2000 years (Grissino-Mayer
th
1996). During the mid- to late-16 century,
drought extended across most of the North
American continent. Drought conditions
th
prevailed throughout much of the 16 century
over Mexico’s Sierra Madre Occidentalis and the
Rocky Mountains. In northwestern Mexico, the
era of strongest and most persistent drought
was the 1540s to the 1580s, and in the
southwestern U.S. it was 1550s to 1590s. (The
tree-ring reconstructed drought during the 1930s
th
exceeded the 16 century droughts only in the
Pacific Northwest and western Canada [Stahle
th
et al. 2016].) The human impact of the 16
century megadrought must have been
significant. The event was most severe in
northwestern Mexico and southwestern U.S.,
and in northern Mexico severe drought is
estimated to have persisted for 24 years. The
term “megadrought” has been used to imply a
very large-scale drought more severe and
sustained than any witnessed during the period
of instrumental weather observations (e.g.
Stahle et al. (2016) used Mexican Drought Atlas
data to map drought periods across Mexico in
four regions, southeast, central, northeast, and
northwest (the latter being 22-31° N, 102.5-111°
W). The most intense droughts in Mexico, since
1550, lasted from 4 to 8 years and were most
severe over the northwest region. These were:
th
• 1566-1573 drought. Part of the 16 century
megadrought, which lasted with little interruption
for at least 20 years over northern Mexico.
• 1666-1669 drought: Covering most of Mexico,
this was one of the two most extreme subdecadal to decadal droughts of the past 600
years in the northeast region. This drought had
well documented impacts among the Spanish
and Native Americans of the southwestern U.S.
(Stahle and Dean 2011), and was one of the
most severe sustained droughts in the 470-year
long tree-ring reconstruction of the Southwest by
Griffin et al. (2013).
25
• Several severe sub-decadal droughts of 5-6
year duration are estimated to have occurred in
th
th
the mid-18 and early 19 centuries.
• The 1950s drought (most intense from 1951 to
1957) is evident in both instrumental and MSDA
data, and it may have been the most extreme
decadal drought in the 600-year reconstructions
for northeastern and northwestern Mexico. It
began in the late 1940s and persisted into the
1960s over northern Mexico.
empire by a handful of Spanish conquistadores
and their indigenous allies is one of the most
remarkable military campaigns in the world
history, and it has been suggested that it was
made possible by the combination of imported
disease (especially smallpox) and drought
(Acuña Soto et al. 2002). The Aztec apocalypse
in 1521 appears to have coincided with a severe
sustained drought in central Mexico that may
have begun as early as 1514 (Stahle et al. 2011)
but was most extreme (based on MXDA data)
from 1521 to 1524. This drought has been
dubbed the “conquest drought.”
The two most extreme droughts during recent
times (during “instrumental times” in Mexico)
were the 1950s drought, and the current
drought, which began in the mid- to late 1990s
(Stahle et al. 2009). The current drought has
had severe consequences for agricultural and
water resources sectors in Mexico and has
induced widespread emigration from droughtaffected regions of Mexico into the U.S. (Feng et
al. 2010, Hunter et al. 2013).
The worst famine of the colonial era in Mexico
occurred in 1786, and is referred to as El Año de
Hambre, the year of hunger (Florescano and
Swan 1995, Therrell 2005). Two to three years
of drought and early fall frost in 1785 appear to
have led to the 1786 crop failure and famine. An
estimated 300,000 people died during El Año de
Hambre, with combined famine with an outbreak
of epidemic typhus (Cooper 1965, Burns et al.
2014). The Mexican Drought Atlas data indicate
that drought conditions were most serous during
the two-year period from 1785 to 1786, when
drought extended over most of Mexico (Stahle et
al. 2016). The Mexican Revolution began in
1910, driven in part by grievances related to
agrarian reform, but drought conditions have
long been suspected as a contributing factor
(e.g., Tutino 1986). Tree-ring data indicate at
least 2 years of drought over most of Mexico in
1909 and 1910 (Stahle et al. 2016). Dell (2012)
suggested that the highest rates of insurgent
activity occurred in those Mexican municipalities
that suffered the most severe drought conditions
just prior to the activity. Hunter et al. (2013)
have also suggested that some of the highest
rates of illegal immigration to the U.S. have
tended to come from the most drought-afflicted
areas in Mexico.
The IPCC Assessment Report 4 model
projections suggest that the subtropical dry
zones of the world will both dry and expand
poleward in the future due to greenhouse
warming (Meehl et al. 2007). The U. S.
Southwest is particularly vulnerable in this
regard and model projections indicate a
st
progressive drying at least to the end of the 21
century (Seager et al. 2007). Already, the west
has been in a state of drought since around
1999.
Climate models suggest that Mexico, the
southwestern U.S., and Central America will
st
experience progressive drying over the 21
century (Feng and Fu 2013). Overgrazing,
deforestation, and the extensive land conversion
for human use are believed to have reduced
evaporative cooling and sharply increased the
sensible to latent heat flux, favoring higher daily
temperature maxima and overwhelming the
potential cooling effect of increased surface
albedo (e.g., Balling 1988, Englehart and
Douglas 2005).
Endnote 8. The vineyards provide table grapes
and also supply several wineries in northwest
Mexico, including the Domeq winery, which
produces second-rate brandies and wines,
including the famous "Padre Kino Vino Tinto"—
at about $5/liter, an agreeable red table wine
(Mexico’s version of “Three-Buck Chuck.” As of
2014, about 2000 acres of vineyards were under
cultivation just north of Hermosillo.
The influence of anthropogenic land cover
change on Mexican climate may have some
precedent in the archaeological record. Model
simulations of the climate consequences of
deforestation by the ancient Maya in the lowland
Yucatan indicate heightened drought conditions
(Cook et al. 2012), which in turn may have
contributed to the decline of certain Mayan citystates near the close of the Classic Period
(Stahle et al. 2016). The conquest of the Aztec
26
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